<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
<table>
    <thead>MAP</thead>
    <tr th:each = "mapiter : ${map}">
        <td th:text="${mapiter.key}"></td>
    </tr>
</table>
</body>
</html>